[grishka]

Good luck getting enough signal to play a video stream in a large crowd.

[yonatan8070]

You don't need to truly stream a video capture of the app, you can have a scanner on the server side decode the barcode in the web/virtualized Android app and then only stream a couple hundred bytes, having the client regenerate the barcode

[SpaghettiCthulu]

Sure, it's possible, but come on, it's not practical.

[IncreasePosts]

Well, it wasn't practical before this blog post.